Second end has additional flat, identical to first flat, 90 degrees apart
No other part numbers with same form, fit, and function found.
A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.O25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see gearshaft (as modified). For items designed to support rotating members see axle(1), straight. For items not having the above conditions see pin, straight, headless. For items having machined ends which constitute steps see shaft(1), shouldered; axle(1), shouldered; and bolt, fluid passage.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 6320-00-174-1362
NSN 6685-01-398-9807
NSN 6240-00-984-4434
NSN 6130-01-248-2584
NSN 5895-00-799-9437
NSN 6135-01-555-4283
NSN 5905-01-437-8811
NSN 5996-01-050-4925
NSN 6110-01-386-4055
NSN 5985-01-634-0635
NSN 5920-01-511-2981
NSN 5950-01-472-8122